{{coord|53|43|33|N|77|44|17|W|type:landmark_region:CA|display=title}} '''Radisson Substation''' is a large electrical substation located near Radisson on the Route de la Baie James highway.<ref name="GEImage">Google Earth images.</ref>{{citation broken|date=April 2026}} The switching station, owned by Hydro-Québec, is the largest substation in its power grid, covering an area of a massive 100 football fields.<ref name="Rad">{{Cite web|title=Radisson Substation |url=http://www.hydroquebec.com/visit/virtual_visit/poste_radisson.html |accessdate=2008-01-21 |publisher=Hydro-Québec |archiveurl=https://web.archive.org/web/20071221211828/http://www.hydroquebec.com/visit/virtual_visit/poste_radisson.html |archivedate=2007-12-21 |url-status=dead }}</ref> Electrical power heading into the switchyard is collected via several relatively short alternating current (AC) 735 kilovolt (kV) and AC 315 kV power lines coming from hydroelectric plants like the Robert-Bourassa power station, part of the James Bay Project, located {{Convert|16|km|mi|abbr=on|0}} away.<ref name="Rad"/><ref name="PLM">{{Cite web|title=James Bay |url=http://www.purplelizard.com/james%20bay.htm |publisher=Purple Lizard Maps |accessdate=2008-01-11 |url-status=dead |archiveurl=https://web.archive.org/web/20080107093055/http://www.purplelizard.com/james%20bay.htm |archivedate=2008-01-07 }}</ref><ref name="MAP2">{{Cite web|title=Eastmain 1-A Powerhouse and Rupert Diversion: Area Development|url=http://www.ceaa.gc.ca/010/0001/0001/0017/Figure8-1_e.pdf|accessdate=2008-01-11|author=Hydro-Québec Production|date=October 2006}} {{Dead link|date=October 2010|bot=H3llBot}}</ref> The power from these lines is either raised to AC 735 kV from AC 315 kV, statically inverted to high-voltage direct current (HVDC) +/- 450 kV, or unchanged (735 kV to 735 kV).<ref name="Rad"/><ref name="ABB">{{Cite web|title=The HVDC Transmission Québec - New England |url=http://www.abb.com/industries/ap/db0003db004333/87f88a41a0be97afc125774b003e6109.aspx |publisher=The ABB Group |accessdate=2008-01-11 |date=2012-08-30 |url-status=dead |archiveurl=https://web.archive.org/web/20110305134714/http://www.abb.com/industries/ap/db0003db004333/87f88a41a0be97afc125774b003e6109.aspx |archivedate=2011-03-05 }}</ref> The amount of electrical energy passing through the substation is 6,600 megawatts (MW).<ref name="PLM2">{{Cite web|title=Day 3: Radisson & Chisasibi |url=http://www.purplelizard.com/james%20bay2.htm |publisher=Purple Lizard Maps |accessdate=2008-01-19 |url-status=dead |archiveurl=https://web.archive.org/web/20080107074124/http://www.purplelizard.com/james%20bay2.htm |archivedate=2008-01-07 }}</ref> Two AC 735 kV lines and one HVDC +/- 450 kV line, part of the James Bay transmission system, transfer this electrical energy over a distance of {{Convert|1000|km|mi|abbr=on|-2}} to Montreal and Northeast United States.<ref name="GEImage"/><ref name="HQMAP">{{Cite web|title=Map of the Transmission System |url=http://www.hydroquebec.com/transenergie/en/reseau/pdf/carte_reseau.pdf |publisher=Hydro-Québec |accessdate=2008-01-11 |url-status=dead |archiveurl=https://web.archive.org/web/20061029191811/http://www.hydroquebec.com/transenergie/en/reseau/pdf/carte_reseau.pdf |archivedate=2006-10-29 }}</ref>

==See also== *Hydro-Québec *Hydro-Québec's electricity transmission system *Quebec - New England Transmission

==References== {{reflist}}

Category:Converter stations Category:James Bay Project